Word.ws English Dictionary

eureka

/jəˈɹiː.kə/US/jʊˈɹiː.kə/

eureka interjection: an exclamation indicating a sudden discovery.

Interjection

  1. An exclamation indicating a sudden discovery.
    • I rolled back the rug and eureka - there it was!
    • Eureka! I have found it! What I mean / To say is, not that love is idleness, / But that in love such idleness has been / An accessory, as I have cause to guess.1821, Byron, Don Juan

Noun

eureka (uncountable)

  1. Synonym of constantan (“copper-nickel alloy”).
    Synonyms:
    constantan

Proper noun capitalized: Eureka

Eureka

  1. A locality in the Byron council area, north-eastern New South Wales, Australia.
  2. A rural locality in the Bundaberg Region, Queensland, Australia.
  3. A small suburb of Ballarat, Victoria, Australia.
  4. A community in Pictou County, Nova Scotia, Canada.
  5. A small research base in Fosheim Peninsula, Ellesmere Island, Qikiqtaaluk Region, Nunavut, Canada.
  6. A settlement in Waikato district, Waikato region, New Zealand.
  7. A city, the county seat of Humboldt County, in northern California.
    • Before dawn this morning, five of us drove into Eureka.1998, Octavia E. Butler, Parable of the Talents, HEADLINE PUBLISHING GROUP (2019), page 90
  8. A ghost town in Nevada County, California.
  9. A mining ghost town in San Juan County, Colorado.
  10. A city, the county seat of Woodford County, Illinois.
  11. An unincorporated community in Lawrence County, Indiana, also known as Geiberson.
  12. An unincorporated community in Luce Township, Spencer County, Indiana.
Show 19 more meaningsShow fewer meanings
  1. A city, the county seat of Greenwood County, Kansas.
  2. A city in St. Louis County, Missouri.
  3. An unincorporated community in Cinque Hommes Township, Perry County, Missouri.
  4. A town in Lincoln County, Montana.
  5. An unincorporated town and census-designated place, the county seat of Eureka County, Nevada.
  6. A town in Wayne County, North Carolina.
  7. An unincorporated community in Warrington Township, Bucks County and Montgomery Township, Montgomery County, Pennsylvania.
  8. An unincorporated community in Aiken County, South Carolina.
  9. A city in McPherson County, South Dakota.
  10. A ghost town in Crockett County, Texas.
  11. A ghost town in Franklin County, Texas.
  12. A tiny city in Navarro County, Texas.
  13. A small city in Juab County, Utah.
  14. An unincorporated community in Walla Walla County, Washington.
  15. An unincorporated community in Pleasants County, West Virginia.
  16. A town in Polk County, Wisconsin.
  17. An unincorporated census-designated place in the town of Rushford, Winnebago County, Wisconsin.
  18. A number of townships in the United States, listed under Eureka Township.
  19. A given name, like for the protagonists of Eureka's Castle or Eureka Seven.

eureka meaning in Hindi, Tamil, Marathi and Urdu

eureka in Hindi

यूरेका, युरेका

eureka in Tamil

யுரேகா, யூரேகா, யுரேக்கா

eureka in Marathi

युरेका, यूरेका

eureka in Urdu

یوریکا
More languagesFewer languages
eureka in Bengali
ইউরেকা, যুরেকা
eureka in Telugu
యురేకా, యూరేకా
eureka in Malayalam
യുറീക്ക yuṟīkka
eureka in Kannada
ಹೊಸ ಆವಿಷ್ಕಾರ, ಹೊಸದಾಗಿ ಕಂಡುಹಿಡಿದದ್ದು
eureka in Punjabi
ਯੂਰੇਕਾ, ਯੁਰੇਕਾ
eureka in Gujarati
યુરેકા, યૂરેકા, ઇઉરેકા
eureka in Odia
ଯ଼ୁରେକା, ଯୁରେକା, ଇଉରେକା
eureka in Nepali
युरेका, यूरेका
eureka in Arabic
يُورِيكَا yūrīkā, لَقَدْ وَجَدتُهَا! laqad wajadtuhā!
eureka in Persian
یافتم yâftam
eureka in Vietnamese
ơ-rê-ca

Examples of eureka in a sentence

  • "Eureka!" he cried, his teeth shining through his beard.1912, Arthur Conan Doyle, The Lost World […], London; New York, N.Y.: Hodder and Stoughton, →OCLC:
  • A page is turned - eureka, a snatch of tune / is playing itself, the piss-proud syllables / are unveiling a difficult prosody.1970, Peter Porter, The Sanitized Sonnets, The Last of England:

Synonyms of eureka

Origin of eureka

From Ancient Greek εὕρηκα (heúrēka, “I have found”), perfect active indicative first person singular of εὑρίσκω (heurískō, “to find”). Archimedes supposedly exclaimed this when he figured out how to determine the density of an object. First use appears c. 1603 in a text by Philemon Holland.

Words formed from eureka

Phrases with eureka

Words that rhyme with eureka

Questions about eureka

What does eureka mean?
Eureka means an exclamation indicating a sudden discovery.
What is eureka in Hindi?
Eureka in Hindi is यूरेका, युरेका. See Eureka meaning in Hindi.
How do you use eureka in a sentence?
"Eureka!" he cried, his teeth shining through his beard.
What part of speech is eureka?
Eureka can be an interjection, a noun or a proper noun.
How do you pronounce eureka?
Eureka is pronounced /jəˈɹiː.kə/ (UK).

Words near eureka in the dictionary

  1. eure
  2. Eure-et-Loir
  3. Eurebi
  4. Euregion
  5. Euregions
  6. eureka
  7. Eureka County
  8. eureka effect
  9. eureka effects
  10. eureka moment
  11. eureka moments

Source and license

Adapted from Wiktionary: eureka (page history and authors); Eureka (page history and authors); eureka (Hindi, IndicTrans2 machine translation) (model and license); eureka (Tamil, IndicTrans2 machine translation) (model and license); eureka (Marathi, IndicTrans2 machine translation) (model and license); eureka (Urdu, IndicTrans2 machine translation) (model and license); eureka (Bengali, IndicTrans2 machine translation) (model and license); eureka (Telugu, IndicTrans2 machine translation) (model and license); eureka (Kannada Wiktionary) (page history and authors); eureka (Punjabi, IndicTrans2 machine translation) (model and license); eureka (Gujarati, IndicTrans2 machine translation) (model and license); eureka (Odia, IndicTrans2 machine translation) (model and license); eureka (Nepali, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-eureka.wav.

Cite this entry: “eureka.” Word.ws, https://word.ws/eureka. Based on Wiktionary, CC BY-SA 4.0.